Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
oral communication » personal communication
technologies any » technologies dans, technologies a, technologies art
any information » ary information, key information, pay information
a afrique » l afrique, en afrique
flows do » flows how, flows job, flows _
do oral » do rural, who oral

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies any information flows do oral communication modes _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies any information flows do oral communication modes _ development a afrique.*.